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How to merge remote changes at GitHub?
...fter that, I replaced the pulled files with my backed-up project's files. Now I am ready to commit my changes again and push.
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Reorder / reset auto increment primary key
...uto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Best way to create an empty object in JSON with PHP?
...w instance will be empty.
.. but, try to keep it safe!
Though you never know when/if the above will change, so if you'd like to be 100% certain that you will always will end up with a {} in your encoded data you could use a hack such as:
json_encode (json_decode ("{}"));
Even though it's tedious ...
Python Empty Generator Function
...should go to Unutbu for giving the first correct version of this answer.)
Now, you may find the above clearer, but I can imagine situations in which it would be less clear. Consider this example of a long list of (contrived) generator function definitions:
def zeros():
while True:
yiel...
What does @media screen and (max-width: 1024px) mean in CSS?
...se a media statement which detects you on a desktop not mobile, and you're now at below 720px for example?
– wharfdale
Jul 14 '15 at 7:59
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How to check if a file exists in Documents folder?
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objectAtIndex:0 can be now replaced with firstObject
– Govind
Nov 20 '13 at 8:39
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Eliminate extra separators below UITableView
...dded if (tableView.style != UITableViewStyleGrouped) { } around your code. Now all my non-grouped tables lose their extra cells, while my grouped tables are unaffected.
– arlomedia
Aug 31 '12 at 16:03
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npm not working - “read ECONNRESET”
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I know it may not be secure but come on - I TRIED EVERYTHING to get rid of ECONNRESET error while creating new angular 4 app via Angular CLI and that solution only worked. After creating new project you can switch back to https....
How to get the nth element of a python list or a default if not available
... never fails. I still don't like to rely on try/except, for a case that I know will happen, but this increases my willingness to consider it.
– ToolmakerSteve
Dec 15 '13 at 3:27
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Check if a class has a member function of a given signature
...tantiation does not
"do inheritance".
This snag does not affect the well-known SFINAE approach, using "The sizeof() Trick",
for detecting merely whether T has some member function mf (see e.g.
this answer and comments). But
establishing that T::mf exists is often (usually?) not good enough: you may...